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Q:

The attenuation in optical fibre is mainly due to

A) Scattering B) Absorption
C) Both (a) and (b) D) Neither absorption nor scattering
 
Answer & Explanation Answer: A) Scattering

Explanation:

The reason for transmitting data over optical fibers, is because the speed of data transmission through optical wires are equal to the speed of light. The intense speed of data transfer speed, has lead to the use of optical fibers. The optical fiber uses the technology of transferring light beams, from one end to the other end of optical cables. The attenuation in optical fiber is due to Scattering. The reason why scattering is caused, due to the folding, in the wire.

 

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Filed Under: Physics
Exam Prep: Bank Exams , CAT

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Q:

_________________ is a measure of the moisture in air.

A) Density B) Viscosity
C) Impurity D) Humidity
 
Answer & Explanation Answer: D) Humidity

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

The size of yes no field is always

A) 1 byte B) 1 character
C) 1GB D) 1 bit
 
Answer & Explanation Answer: D) 1 bit

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

Which of the following provision needs a special majority in Parliament?

A) Change in Fundamental Rights B) Creation of New States
C) Abolition of Legislative Councils in State D) Rules and Procedures in Parliament
 
Answer & Explanation Answer: A) Change in Fundamental Rights

Explanation:
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Filed Under: Indian Politics
Exam Prep: Bank Exams

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Q:

How many schedules does the Indian Constitution have?

A) 6 B) 12
C) 18 D) 24
 
Answer & Explanation Answer: B) 12

Explanation:
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Filed Under: Indian Politics
Exam Prep: Bank Exams

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Q:

A) Mineral B) Tribe
C) Grass D) Town
 
Answer & Explanation Answer: C) Grass

Explanation:
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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

Which of the following gases is heavier than oxygen?

A) Carbon dioxide B) Ammonia
C) Methane D) Helium
 
Answer & Explanation Answer: A) Carbon dioxide

Explanation:
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Filed Under: Chemistry
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Q:

Nepal does not share its border with which Indian state?

A) Uttarakhand B) Haryana
C) West Bengal D) Sikkim
 
Answer & Explanation Answer: B) Haryana

Explanation:
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Filed Under: Indian Geography
Exam Prep: Bank Exams

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